Name: LM4540VH
Brand: National Semiconductor
SKU: LM4540VH
Availability: InStock
Rating: 5 (68 reviews)

LM4540VH

Pour Référence Seulement

Référence	LM4540VH
Fabricant	National Semiconductor
Description	CONSUMER CIRCUIT
Fiche technique
paquet	-
ECAD
En stock	0 piece(s)
Prix unitaire	Request a Quote
Délai de mise en œuvre	VÊtre confirmé
Temps de livraison estimé	sept. 27 - oct. 2 (Choisissez l'expédition accélérée)
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Nous offrons LM4540VH pour prix compétitif sur le marché mondial, s'il vous plaît envoyez-nous une demande de quota pour les prix. Merci!
Pour traiter votre demande de devis, s'il vous plaît ajouter LM4540VH avec la quantité dans la nomenclature. Heisener.com Ne nécessite pas de toute inscription pour demander un devis de LM4540VH.

Spécifications LM4540VH

Fabricant	National Semiconductor
Catégorie	Circuits intégrés (CI) - Interface - CODEC
paquet	-
ECAD
Séries	-
Type	Audio Codec '97
Interface de données	Serial
Résolution (bits)	18 b
Nombre de CAN / CAD	2 / 2
Sigma Delta	Yes
Rapport S / N, CAN / CNA (db) Typ	-
Gamme dynamique, CAN / CNA (db) Typ	90 / 89
Tension - Alimentation, analogique	4.2V ~ 5.5V
Tension - Alimentation, numérique	3V ~ 5.5V
Température de fonctionnement	-40°C ~ 85°C
Type de montage	Surface Mount
Paquet / cas	48-LQFP
Package de périphérique fournisseur	48-TQFP (7x7)

LM4540VH Packaging

LM4540VH FAQ

1. How to order LM4540VH on Heisener?

Currently, Heisener only provide peer-to-peer order processing. While you submit the RFQ, our professional agent will contact you with the competitive prices in the global market, and our agent will prompt you to finish the order if you accept our offers.
2. How does Heisener guarantee that LM4540VH is from the original manufacturer or authorized agents?

We have a professional and experienced quality control team to strictly verify and test the LM4540VH. All suppliers must pass our qualification reviews before they can publish their products including LM4540VH on Heisener; we pay more attention to the channels and quality of LM4540VH products than any other customer. We strictly implement supplier audits, so you can purchase with confidence.
3. Are the LM4540VH price and inventory displayed accurate?

The price and inventory of LM4540VH fluctuates frequently and cannot be updated in time, it will be updated periodically within 24 hours. And, our quotation usually expires after 5 days.
4. What forms of payment are accepted?

Wire Transfer, PayPal, Alipay, Wechat, Credit Card, Western Union, MoneyGram, and Escrow are all acceptable.

Warm Tips: Some orders in certain payment forms may require handling fee.
5. How is the shipping arranged?

Customers can choose industry-leading freight companies, including DHL, UPS, FedEx, TNT, and Registered Mail. Shipping insurance is also available.

Once your order has been processed for shipment, our salesperson will send you an email advising you of the shipping status and tracking number.

Warm Tips: It may take up to 24 hours for the carriers to display tracking information. Usually, express delivery takes 3-5 days, and registered mail takes 25-60 days.
6. What is the process for return or replacement of LM4540VH?

All goods will implement Pre-Shipment Inspection (PSI), selected at random from all batches of your order to do a systematic inspection before arranging the shipment. If there is something wrong with the LM4540VH we delivered, we will accept the replacement or return of the LM4540VH only when all of the below conditions are fulfilled:

(1)Such as a deficiency in quantity, delivery of wrong items, and apparent external defects (breakage and rust, etc.), and we acknowledge such problems.

(2)We are informed of the defect described above within 90 days after the delivery of LM4540VH.

(3)The PartNo is unused and only in the original unpacked packaging.

Two processes to return the products:

(1)Inform us within 90 days

(2)Obtain Requesting Return Authorizations
7.How to contact us to get technical supports, such as LM4540VH pin diagram, LM4540VH datasheet?

If you need any after-sales service, please do not hesitate to contact us.

LM4540VH Des garanties

Garanties de service

Nous garantissons la satisfaction du client à 100%.

Notre équipe de vente expérimentée et notre équipe d'assistance technique recourent à nos services pour satisfaire tous nos clients.

Garantie de qualité

Nous fournissons une garantie de 90 jours.

Si les articles que vous avez reçus n'étaient pas de qualité parfaite, nous serions responsables de votre remboursement ou de votre remplacement, mais les articles doivent être retournés dans leur état d'origine.

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LM4540VH

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L'engagement de Heisener en matière de qualité a façonné nos processus d'approvisionnement, de test, d'expédition et à chaque étape intermédiaire. Cette fondation est à la base de chaque composant que nous vendons.

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